Home / 7,335.09-10,128.24-6,775.35

Finding the Fourth Proportional to 7,335.09, 10,128.24 and 6,775.35

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Solution

The fourth proportional to 7,335.09, 10,128.24 and 6,775.35 is: 9,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.09 : 10,128.24 = 6,775.35 : x
  2. Step 2: Convert to fraction form
    7,335.09/10,128.24 = 6,775.35/x
  3. Step 3: Cross multiply
    7,335.09x = 10,128.24 × 6,775.35
  4. Step 4: Simplify right side
    7,335.09x = 68,622,370.88
  5. Step 5: Solve for x
    x = 68,622,370.88/7,335.09
  6. Step 6: Final answer
    x = 9,355.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.